Bukkit

A plugin that supplies a bunch of essential commands for running a server.

A very simple plugin that easily prevents players without permission from breaking any blocks.

A plugin that lets you use a tool to have special powers.

Type in commands to express your feelings.

A plugin that lets you type in commands to get potion effects.

Makes new death messages for different death causes.

StactionaryTools is a plugin that bounds certain effects to special tools to make Minecraft more fun.